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trezor-firmware/core/src/boot.py
2020-06-04 16:18:46 +02:00

38 lines
1.2 KiB
Python

import storage
import storage.device
import storage.sd_salt
from trezor import config, log, loop, ui, utils, wire
from trezor.pin import show_pin_timeout
from apps.common.request_pin import can_lock_device, verify_user_pin
from apps.homescreen.lockscreen import Lockscreen
async def bootscreen() -> None:
lockscreen = Lockscreen(bootscreen=True)
ui.display.orientation(storage.device.get_rotation())
while True:
try:
if can_lock_device():
await lockscreen
await verify_user_pin()
storage.init_unlocked()
return
except wire.PinCancelled:
# verify_user_pin will convert a SdCardUnavailable (in case of sd salt)
# to PinCancelled exception.
# Ignore exception, retry loop.
pass
except BaseException as e:
# other exceptions here are unexpected and should halt the device
if __debug__:
log.exception(__name__, e)
utils.halt(e.__class__.__name__)
ui.display.backlight(ui.BACKLIGHT_NONE)
ui.backlight_fade(ui.BACKLIGHT_NORMAL)
config.init(show_pin_timeout)
loop.schedule(bootscreen())
loop.run()